de·coct /dɪˈkɑkt/ 及物動詞
  煎(煮)
  De·coct v. t. [imp. & p. p. Decocted; p. pr. & vb. n. Decocting.]
  1. To prepare by boiling; to digest in hot or boiling water; to extract the strength or flavor of by boiling; to make an infusion of.
  2. To prepare by the heat of the stomach for assimilation; to digest; to concoct.
  3. To warm, strengthen, or invigorate, as if by boiling. [R.] “Decoct their cold blood.”
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  decoct
       v 1: extract the essence of something by boiling it
       2: be cooked until very little liquid is left; "The sauce
          should reduce to one cup" [syn: boil down, reduce, concentrate]
       3: steep in hot water